olymmath

HMMT November 2017 U30

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Given complex number zz, define sequence z0,z1,z2,…z_{0}, z_{1}, z_{2}, \ldots as z0=zz_{0}=z and zn+1=2zn2+2znz_{n+1}=2 z_{n}^{2}+2 z_{n} for n≥0n \geq 0. Given that z10=2017z_{10}=2017, find the minimum possible value of ∣z∣|z|.

Dataset text NuminaMath olympiads. Quoted with source.

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\frac{\sqrt[1024]{4035-1}}{2}

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